Doubts about whether heat pumps work well in subzero conditions shown to be unfounded, say researchers

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Amju Wolf
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Get a heat pump with resistive (electric) defrosting, not one that defrosts by running like an AC.

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But only for the 4 weeks a year you spend in unusually cold weather, the other 48 it’s more efficient.

It’s not like truly arctic places are a reasonable application but the overwhelming majority of our population lives south of Quebec and north of Wellington. So it’s not a relevant point, everyone in the Arctic can just use resistive heating or burn fuel, and if we get everything else on heat pumps we reduce our enegy use by a factor of 2-3 regardles.

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